Deep researches have been done for the testing method of the narrowband filter, and the testing system was established.
深入研究了窄带滤光片的测试方法，并建立了测试系统。
But to the CW pulse signal with changing frequency, it is difficulte to realize tracking filter with common narrowband filter.
但是，对于中心频率不断变化的CW脉冲信号，使用常规的硬件窄带滤波器很难实现对其跟踪滤波。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
This article mainly expounds principles and methods of computer-aided diagnosis and debugging technology platform for cascaded narrowband filter.
本文阐述了建立级联式窄带通滤波器的计算机辅助诊断和协同调试技术平台的原理和方法。
Furthermore, the change of the noise through narrowband filter and detection circuit and the effect on the radar tracking precision are analyzed in quantity.
对噪声经过窄带滤波、检波电路后的变化及其对雷达跟踪精度的影响进行了定量分析。
Some characteristics of main optical filters were analyzed, and the application of ultra-narrowband filter in laser illumination and laser guide star was discussed.
分析了几种主要滤光技术的特点，讨论了在超窄带滤光器在激光照明和激光导星信号探测中的应用。
The concept of quasiperiodic one-dimension photonic crystal nanometer film is proposed, and research finds that it can be applied to realize optic narrowband filter.
这种结构的光子晶体可以用来制作超窄带滤波器和多通道窄带滤波器，有望在光通信超密度波分复用技术和光学信息精密测量技术中获得广泛应用。
For fast and accurate design and production of lumped constant bandwidth frequency-hopping(FH) narrowband filter, a load structure changing with frequency is introduced.
为了快速准确地设计并制作恒带宽窄带集总跳频滤波器，提出了一种随频率变化而 变化的负载结构。
This algorithm combined with the algorithm estimating and separating parameters of each component using Dechirp Narrowband filter can pick up many peak value once from the WHT plane.
该算法结合解线调和窄带滤波器分离和估计各分量的参数的算法，可以一次提取多个尖峰值。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
Experimentally, a linear tuning filter's set including a finished product narrowband thin-film interference filter and control circuit of stepping motor has been designed.
在实验方面，选用一个成品窄带滤光片，设计步进电机控制电路，实现了一个线性调谐光滤波器装置。
Through the spectrum sensing and cognitive engine technology, the characteristics of narrowband interference signal is extracted, which is the rule to design the trap filter.
通过频谱感知和认知引擎技术提取窄带干扰频谱特征作为陷波器的设计依据。
For RFI and narrowband noise interferences, this dissertation studies notch filter and spectrum equilibrium and USES them to suppress narrow jammings in signal domain.
对于RFI和窄带噪声干扰，本文研究了频域陷波和谱均衡两种方法，并将之应用到信号域来抑制窄带干扰。
These narrowband multi-channel filters and narrow bandpass filter arrays show good filtering features and can be utilized in many optical applications.
两种类型的滤光片都展示了良好的光学特性，在光学器件、光通讯等领域都有良好的应用前景。
These narrowband multi-channel filters and narrow bandpass filter arrays show good filtering features and can be utilized in many optical applications.
两种类型的滤光片都展示了良好的光学特性，在光学器件、光通讯等领域都有良好的应用前景。
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